3TET
 
 | | Crystal Structure of NaK2K Channel Y66F Mutant | | Descriptor: | POTASSIUM ION, Potassium channel protein | | Authors: | Sauer, D.B, Zeng, W, Raghunathan, S, Jiang, Y. | | Deposit date: | 2011-08-15 | | Release date: | 2011-10-19 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Protein interactions central to stabilizing the K+ channel selectivity filter in a four-sited configuration for selective K+ permeation.
Proc.Natl.Acad.Sci.USA, 108, 2011
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4TWK
 | | Crystal structure of human two pore domain potassium ion channel TREK1 (K2P2.1) | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, MAGNESIUM ION, Octyl Glucose Neopentyl Glycol, ... | | Authors: | Pike, A.C.W, Dong, Y.Y, Tessitore, A, Goubin, S, Strain-Damerell, C, Mukhopadhyay, S, Kupinska, K, Wang, D, Chalk, R, Berridge, G, Grieben, M, Shrestha, L, Ang, J.H, Mackenzie, A, Quigley, A, Bushell, S.R, Shintre, C.A, Faust, B, Chu, A, Dong, L, von Delft, F, Arrowsmith, C.H, Edwards, A.M, Bountra, C, Burgess-Brown, N.A, Carpenter, E.P. | | Deposit date: | 2014-06-30 | | Release date: | 2014-08-06 | | Last modified: | 2023-12-20 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Crystal structure of human two pore domain potassium ion channel TREK1 (K2P2.1)
To Be Published
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5VKH
 | | Closed conformation of KcsA Y82A-F103A mutant | | Descriptor: | (1S)-2-HYDROXY-1-[(NONANOYLOXY)METHYL]ETHYL MYRISTATE, Antibody Heavy Chain, Antibody Light Chain, ... | | Authors: | Cuello, L.G, Perozo, E, Cortes, D.M. | | Deposit date: | 2017-04-21 | | Release date: | 2017-12-06 | | Last modified: | 2020-01-01 | | Method: | X-RAY DIFFRACTION (2.25 Å) | | Cite: | The gating cycle of a K+ channel at atomic resolution.
Elife, 6, 2017
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7RP0
 | | Structural Snapshots of Intermediates in the Gating of a K+ Channel | | Descriptor: | DIACYL GLYCEROL, KcsA Fab chain A, KcsA Fab chain B, ... | | Authors: | Reddi, R, Matulef, K, Riederer, E.A, Valiyaveetil, F.I. | | Deposit date: | 2021-08-02 | | Release date: | 2021-10-27 | | Last modified: | 2023-10-18 | | Method: | X-RAY DIFFRACTION (2.48 Å) | | Cite: | Structures of Gating Intermediates in a K + channell.
J.Mol.Biol., 433, 2021
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6FIZ
 | | Crystal Structure of CNG mimicking NaK-EAPP mutant (T67A) cocrystallized with K+ | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, GLYCINE, POTASSIUM ION, ... | | Authors: | Napolitano, L.M.R, De March, M, Steiner, R.A, Onesti, S. | | Deposit date: | 2018-01-19 | | Release date: | 2019-03-06 | | Last modified: | 2024-01-17 | | Method: | X-RAY DIFFRACTION (2.63 Å) | | Cite: | Crystal Structure of CNG mimicking NaK-EAPP mutant (T67A) cocrystallized with K+
To Be Published
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1BL8
 | | POTASSIUM CHANNEL (KCSA) FROM STREPTOMYCES LIVIDANS | | Descriptor: | POTASSIUM ION, PROTEIN (POTASSIUM CHANNEL PROTEIN) | | Authors: | Doyle, D.A, Cabral, J.M, Pfuetzner, R.A, Kuo, A, Gulbis, J.M, Cohen, S.L, Chait, B.T, Mackinnon, R. | | Deposit date: | 1998-07-23 | | Release date: | 1998-07-29 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (3.2 Å) | | Cite: | The structure of the potassium channel: molecular basis of K+ conduction and selectivity.
Science, 280, 1998
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5J9P
 | | KcsA in vitro | | Descriptor: | Fab, POTASSIUM ION, pH-gated potassium channel KcsA | | Authors: | Matulef, K, Valiyaveetil, F.I. | | Deposit date: | 2016-04-10 | | Release date: | 2016-07-20 | | Last modified: | 2019-12-04 | | Method: | X-RAY DIFFRACTION (2.85 Å) | | Cite: | Combining in Vitro Folding with Cell Free Protein Synthesis for Membrane Protein Expression.
Biochemistry, 55, 2016
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8THN
 | | KcsA M96V mutant with Y78ester in High K+ | | Descriptor: | KcsA Fab Heavy Chain, KcsA Fab Light Chain, POTASSIUM ION, ... | | Authors: | Reddi, R, Valiyaveetil, F.I. | | Deposit date: | 2023-07-17 | | Release date: | 2024-01-17 | | Method: | X-RAY DIFFRACTION (2.9 Å) | | Cite: | A facile approach for incorporating tyrosine esters to probe ion-binding sites and backbone hydrogen bonds.
J.Biol.Chem., 300, 2023
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1F6G
 | | POTASSIUM CHANNEL (KCSA) FULL-LENGTH FOLD | | Descriptor: | VOLTAGE-GATED POTASSIUM CHANNEL | | Authors: | Cortes, D.M, Perozo, E. | | Deposit date: | 2000-06-21 | | Release date: | 2001-02-21 | | Last modified: | 2021-11-03 | | Method: | SOLUTION NMR | | Cite: | Molecular architecture of full-length KcsA: role of cytoplasmic domains in ion permeation and activation gating.
J.Gen.Physiol., 117, 2001
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6NFV
 | | Structure of the KcsA-G77C mutant or the 2,4-ion bound configuration of a K+ channel selectivity filter. | | Descriptor: | (1S)-2-HYDROXY-1-[(NONANOYLOXY)METHYL]ETHYL MYRISTATE, NONAN-1-OL, POTASSIUM ION, ... | | Authors: | Tilegenova, C, Cortes, D.M, Jahovic, N, Hardy, E, Parameswaran, H, Guan, L, Cuello, L.G. | | Deposit date: | 2018-12-20 | | Release date: | 2019-08-07 | | Last modified: | 2019-12-18 | | Method: | X-RAY DIFFRACTION (2.13 Å) | | Cite: | Structure, function, and ion-binding properties of a K+channel stabilized in the 2,4-ion-bound configuration.
Proc.Natl.Acad.Sci.USA, 116, 2019
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4BW5
 | | Crystal structure of human two pore domain potassium ion channel TREK2 (K2P10.1) | | Descriptor: | 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE, CADMIUM ION, POTASSIUM CHANNEL SUBFAMILY K MEMBER 10, ... | | Authors: | Pike, A.C.W, Dong, Y.Y, Dong, L, Quigley, A, Shrestha, L, Mukhopadhyay, S, Strain-Damerell, C, Goubin, S, Grieben, M, Shintre, C.A, Mackenzie, A, Vollmar, M, von Delft, F, Arrowsmith, C.H, Edwards, A.M, Bountra, C, Burgess-Brown, N, Carpenter, E.P. | | Deposit date: | 2013-06-30 | | Release date: | 2013-07-31 | | Last modified: | 2023-12-20 | | Method: | X-RAY DIFFRACTION (3.2 Å) | | Cite: | K2P Channel Gating Mechanisms Revealed by Structures of Trek-2 and a Complex with Prozac
Science, 347, 2015
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6WLV
 | | TASK2 in MSP1D1 lipid nanodisc at pH 6.5 | | Descriptor: | POTASSIUM ION, Potassium channel TASK2 | | Authors: | Li, B, Brohawn, S.G. | | Deposit date: | 2020-04-20 | | Release date: | 2020-07-15 | | Last modified: | 2020-10-28 | | Method: | ELECTRON MICROSCOPY (3.45 Å) | | Cite: | Structural basis for pH gating of the two-pore domain K + channel TASK2.
Nature, 586, 2020
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6WM0
 | | TASK2 in MSP1D1 lipid nanodisc at pH 8.5 | | Descriptor: | POTASSIUM ION, Potassium channel TASK2 | | Authors: | Li, B, Brohawn, S.G. | | Deposit date: | 2020-04-20 | | Release date: | 2020-07-15 | | Last modified: | 2020-10-28 | | Method: | ELECTRON MICROSCOPY (3.52 Å) | | Cite: | Structural basis for pH gating of the two-pore domain K + channel TASK2.
Nature, 586, 2020
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8AYQ
 | | NaK C-DI mutant with Rb+ and Ca2+ | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, CALCIUM ION, CHLORIDE ION, ... | | Authors: | Minniberger, S, Plested, A.J.R. | | Deposit date: | 2022-09-02 | | Release date: | 2023-02-22 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.75 Å) | | Cite: | Mechanism of Calcium Permeation in a Glutamate Receptor Ion Channel.
J.Chem.Inf.Model., 63, 2023
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8AYP
 | | NaK C-DI mutant with Rb+ and Ba2+ | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, BARIUM ION, Potassium channel protein, ... | | Authors: | Minniberger, S, Plested, A.J.R. | | Deposit date: | 2022-09-02 | | Release date: | 2023-02-22 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Mechanism of Calcium Permeation in a Glutamate Receptor Ion Channel.
J.Chem.Inf.Model., 63, 2023
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5VK6
 | | Open conformation of KcsA non-inactivating E71A mutant | | Descriptor: | (1S)-2-HYDROXY-1-[(NONANOYLOXY)METHYL]ETHYL MYRISTATE, Antibody Heavy Chain, Antibody Light Chain, ... | | Authors: | Cuello, L.G, Perozo, E. | | Deposit date: | 2017-04-21 | | Release date: | 2017-12-06 | | Last modified: | 2020-01-01 | | Method: | X-RAY DIFFRACTION (2.25 Å) | | Cite: | The gating cycle of a K+ channel at atomic resolution.
Elife, 6, 2017
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5VKE
 | | Open conformation of KcsA deep-inactivated | | Descriptor: | (1S)-2-HYDROXY-1-[(NONANOYLOXY)METHYL]ETHYL MYRISTATE, Antibody Heavy Chain, Antibody Light Chain, ... | | Authors: | Cuello, L.G, Perozo, E, Cortes, D.M. | | Deposit date: | 2017-04-21 | | Release date: | 2017-12-06 | | Last modified: | 2024-04-03 | | Method: | X-RAY DIFFRACTION (2.37 Å) | | Cite: | The gating cycle of a K+ channel at atomic resolution.
Elife, 6, 2017
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8A7X
 | | NaK C-DI F92A mutant soaked in Cs+ | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, CESIUM ION, POTASSIUM ION, ... | | Authors: | Minniberger, S, Plested, A.J.R. | | Deposit date: | 2022-06-21 | | Release date: | 2023-02-01 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Asymmetry and Ion Selectivity Properties of Bacterial Channel NaK Mutants Derived from Ionotropic Glutamate Receptors.
J.Mol.Biol., 435, 2023
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8A35
 | | NaK C-DI mutant with Rb+ and Na+ | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, Potassium channel protein, RUBIDIUM ION, ... | | Authors: | Minniberger, S, Plested, A.J.R. | | Deposit date: | 2022-06-07 | | Release date: | 2023-02-01 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.05 Å) | | Cite: | Asymmetry and Ion Selectivity Properties of Bacterial Channel NaK Mutants Derived from Ionotropic Glutamate Receptors.
J.Mol.Biol., 435, 2023
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2Q67
 | | Crystal Structure of Nak channel D66A mutant | | Descriptor: | CALCIUM ION, Potassium channel protein, SODIUM ION | | Authors: | Alam, A, Shi, N, Jiang, Y. | | Deposit date: | 2007-06-04 | | Release date: | 2007-10-02 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (2.3 Å) | | Cite: | Structural insight into Ca2+ specificity in tetrameric cation channels.
Proc.Natl.Acad.Sci.Usa, 104, 2007
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7M2H
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7M2J
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7M2I
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2QTO
 | | An anisotropic model for potassium channel KcsA | | Descriptor: | POTASSIUM ION, Voltage-gated potassium channel | | Authors: | Chen, X, Poon, B.K, Dousis, A, Wang, Q, Ma, J. | | Deposit date: | 2007-08-02 | | Release date: | 2007-09-25 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (3.201 Å) | | Cite: | Normal-mode refinement of anisotropic thermal parameters for potassium channel KcsA at 3.2 A crystallographic resolution
Structure, 15, 2007
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6RV4
 | | Crystal structure of the human two pore domain potassium ion channel TASK-1 (K2P3.1) in a closed conformation with a bound inhibitor BAY 2341237 | | Descriptor: | 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE, CHOLESTEROL HEMISUCCINATE, POTASSIUM ION, ... | | Authors: | Rodstrom, K.E.J, Pike, A.C.W, Zhang, W, Quigley, A, Speedman, D, Mukhopadhyay, S.M.M, Shrestha, L, Chalk, R, Venkaya, S, Bushell, S.R, Tessitore, A, Burgess-Brown, N, Arrowsmith, C.H, Edwards, A.M, Bountra, C, Carpenter, E.P, Structural Genomics Consortium (SGC) | | Deposit date: | 2019-05-30 | | Release date: | 2019-08-07 | | Last modified: | 2024-01-24 | | Method: | X-RAY DIFFRACTION (3.1 Å) | | Cite: | A lower X-gate in TASK channels traps inhibitors within the vestibule.
Nature, 582, 2020
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